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CONSOLIDATED STATEMENTS OF COMPREHENSIVE INCOME (unaudited) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2024	Sep. 30, 2023	Sep. 30, 2024	Sep. 30, 2023
Statement of Comprehensive Income [Abstract]
Net Income	$ 85,479	$ 91,974	$ 246,812	$ 236,424
Other Comprehensive Income (Loss):
Unrealized Gain (Loss) on Available-for-Sale Securities, net of tax benefit (expense) of $(331), $4, $(255) and $(1)	1,244	(17)	963	2
Pension and Other Postretirement Benefits, net of tax benefit (expense) of $11, $(108), $47 and $(90)	(28)	310	(132)	257
Total Other Comprehensive Income (Loss)	1,216	293	831	259
Total Comprehensive Income	$ 86,695	$ 92,267	$ 247,643	$ 236,683

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